<!doctype html> 
<html> 
<head> 
    <meta charset="utf-8"> 
    <title></title> 
</head>
<body>
<style type="text/css">
	
	#div1>div{
		width: 100px;
		height: 100px;
		background: black;
	}
</style>
<script type="text/javascript">





</script>
</body>
<div id='div1'>
	
	<div>
		<div></div>
	</div>
</div>
</html>